| CF | calcaneal fibular [ligament]; calcium leucovorin; calf blood flow; calibration factor; cancer-free; ... |
|---|---|
| col | collection; colicin; collagen; colony; colored; column; strain [Lat. cola] |
| F' | a hybrid F plasmid |
| F- | a bacterial cell lacking an F plasmid |
| F+ | a bacterial cell having an F plasmid |